Fig. 5From: Nonlocal total variation based on symmetric Kullback-Leibler divergence for the ultrasound image despecklingResults obtained with the compared filters for the Field II simulated B-mode image of synthetic kidney. a The synthetic kidney image. b-d Outputs of the compared filters, b BNLTV c SAR-BM3D, d The proposed method. BNLTV = Bayesian NLTV; SAR-BM3D = blocking matching 3D filter of SAR imageBack to article page